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July 26, 1932. E. s. DELANcY CALENDAR Filed Deo. l0, 1931 2 Sheets-Sheet l Inventor July 26,J 1932.

E. S. DELANCY CALENDAR Filed Deu.

2 Sheets-Sheet 2 Invenlor Patented July 26, 1932 UNETED STATI-s EDMUND s. DELANCY, onwAsinNG'roN, DISTRICT or COLUMBIA i CALENDAR applicati@ sied December 1o, 1931. serial No. 589,192.

j The present invention relates to new and useful improvements 1n calendars and has for its primary object to provide, in a man ner as'hereinafter set forth, a calendar em 5 bodying a novel' construction, combination and arrangement through the medium of which any desired date or the day of the week upon which suchY date occursV or` occurred within a given range of'years may be expeditiously ascertained or, in other words, to provide a substantially perpetual calendar.

Other objects of the invention are to provide a substantially perpetual calendar which will be simple, eiiicient and reliable in use, attractive in appearance and which may be manufactured at low cost.

All of the foregoing and still further objects and advantages of the invention will become apparent from a study'of the following specification, taken in connection with the accompanying drawings wherein like characters of reference designate corresponding parts throughout the several views, and

5 wherein Figure 1 is a view in front elevation of a calendar in accordance with thepresent yinvention.

Figure 2 is a vertical sectional View taken substantially on the line 2 2 of Figure 1.

Figure 3 is a view in front eleva-tion of the back sheet of the calendar. Y

Referring now to the drawings in detail, yit will be seen that the reference numeral 1 designates a back sheet of suitable size, shape and material upon which' a comparatively short front sheet 2, also of suitable size, shape Vand material, is superimposed and ypivotally connected adjacent its upper end, as at 3, 40 for swinging adjustment. The pivot 3 may be in the form of a rivet passing through openings provided therefor in the sheets 1 and 2. The back sheet 1 extends beyond the lower end of the front sheet 2.

On the lower portion of the back sheet 1 is an arcuate group of figures `4 arranged in nineteen columns and representing the days of the months, the lowest of the figures being the numeral 1 and the highest being the numeral 31. The figures 4 are arranged in a predetermined Y order.y Also, on thek lower portion o1 the sheet 1 which extends beyond the sheet 2 are the columns of months 5 in apredetermined arrangement. In'certain of the columns 5 appear the words F eb- Cl Y ruary Leap Year.7 and January Leap Year.' As will be seen, the names ofthe months in the columns 5 are abbreviated.

Above the group of figures 4 on the sheet 1 there is provided a table of years 6 arranged GG in groups,`each group comprising seven col.k umns designatedv by the reference numeral?. At the top of each column 7 is a heading 8in the form cfa letter, said letters running consecutively from A to G, inclusive, for each G5 group yof the year columns. Then, above the table 6, on ythe sheet 1 there may be defined a space'9 in which instructions for use 4in the-calendar may appear. v. f

' lnthe lower `portion of the sheet `2 is an 7.9 arcuate opening or window'l() through which the figures 4 may be observed.V The opening orwindow 10 is of the size to lexpose seven of the columns of figures 4. 1 Immediately above the'l Window ort opening 10y the sheetv 75K 2 isprovided with indicia in the form ofletf tersvll representing the days kof the week consecutively.,k The spacing of the lettersll correspond -to ythe spacing of the columns of figures 4. Below the opening or window k10 80,. and closely adjacent the lower end of the sheet 2 are .thefletters 12 which correspond. with the headings 8 of the table 6. The spac.-' ing of. thelettersi12 also correspond substanr tiallyito the spacing of thecolumns of :tigures "4. kMounted for sliding adjustmenton the sheetV 2 in the lower side'of thefwindo'w or opening 10y is an indicator or marker .13 for th'eletters 12.; I

yl'lo use the calendarviorascertainingjthe- 99. f

day ot the week on which .anydateoccurred oroccurs in any of the years appearingin the table 6, the desired ,year isflocated insaid table 6 and the heading8 atthe top ofy the Vcolumn in which the year appears is noted.

Then, the'indicator yor'marker "13 is shifted to theicorresponding letter 12 on the sheetj2'. Thefs'heetf2 is then swung on: its pivot 3' until the indicator or marker 13 isy adj acent` the column 5in which the desired month ap.- 10Q pears and the dates of lthat month ot that year Will then he exposed through the opening or Window 10 beneath the correct day indicating letters l1. When the year is a leap year the column 5 is used in which the indicia February Leap Year or January Leap Year appears. In the table G the leap years are indicated by a dash adjacent thereto in the preceding column.

The major portion of the sheet 2 above the Window 10 may be ornamented as desired or utilized tor the display of any desiredadvertising or printed matter.

It is believed that the many advantages of a calendar in accordance with the present invention Will be readily understood, and although the preferred embodiment ot the invention is as illustrated and described, it is to he understood that changes in the details ot construction and in the combination and arrangement oi parts may be resorted to which Will Jfall Within the scope ot the invention as claimed.

What is claimed is l. A calendar comprising a sheet having columns of numerals thereon representing the days of the months, another sheet pivotally mounted for swinging adjustment on the first named sheet having a Window there- 'fn of a size to expose seven ot the columns, the second named sheet further having characters thereon representing the days of the Week located adjacent the Window for disposition in alignment with the exposed columns, the iirst named sheet further having columns ot months thereon, and a marker slidably mounted on the second named sheet for coaction with the month column for indicating When the second named sheet is in the correct position to align the day characters with the correct columns comprising the days of any month ol a year.

2. A calendar comprising a back sheet having columns of numerals thereon representing the days of the months, a front sheet pivotally mounted for swinging adjustment on the back sheet having a Window therein of a size to expose seven of the columns and further having characters thereon adjacent the Window for disposition in alignment With the exposed columns, said characters representing the days ot the Week, the back sheet including a portion extending beyond the front sheet having columns of months thereon, and a marker adjustahly mounted on the front sheet for coaction with the month columns for indicating when said front sheet is in the correct position to align the day characters with he correct first named columns comprising the days of any month of the year.

3. A calendar comprising a back sheet having a table ot years thereon, said years arranged in columns, a heading character at one end of each column, the back sheet further having columns of numerals thereon representing .the days of the months, said back sheet still further having columns of the months of the year thereon, a front sheet pivotally mounted for swinging adjustment on the back sheet having a Window therein of a Size to expose seven of the day columns, and further having characters thereon adjacent the Window for disposition in alignment With the exposed day columns, said characters representing the days of the Week, one edge of the front sheet being spaced from the corresponding edge of the hack sheet in a manner to expose the month columns on said back sheet, characters on the front sheet adjacent said oneedge thereof corresponding to the heading characters in the year table on the hack sheet, and a marker adjustahly mounted on the front sheet for disposition selectively adjacent the last named characters on the iront sheet and for coaction with the month columns on the back sheet for indicating when the front sheet is in the correct position to align the day characters with the correct columns comprising the date numerals.

ln testimony whereof I aiiix my signature` EDMUND S. DELANCY.

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